Add log4j impl for slf4j to avoid "No SLF4J providers were found" in Tika logs

(cherry picked from commit 4b034f7)

Author: iroqueta

gxcloudstorage-common/pom.xml

@@ -34,6 +34,11 @@
             <artifactId>log4j-api</artifactId>
             <version>${log4j.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j2-impl</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.apache.tika</groupId>
             <artifactId>tika-core</artifactId>